Dietary SupplementsBody CompositionAnimal FeedGrowthWeight GainBody HeightZincDietBody WeightAdipose TissueAbsorptiometry, PhotonFood, FortifiedDouble-Blind MethodAnimal Nutritional Physiological PhenomenaAnthropometryBody WaterElectric ImpedanceEnergy MetabolismRandom AllocationVitaminsDietary ProteinsEnergy IntakeNutritional StatusVitamin ASkinfold ThicknessBody Mass IndexMicronutrientsEatingObesityVitamin ESwinePlacebosMeatDigestionCattleBody Fluid CompartmentsAdiposityFolic AcidBasal MetabolismMuscle, SkeletalPregnancyBone DensityLipidsTrace Elementsalpha-TocopherolNitrogenRumenbeta CaroteneFish OilsAgingAntioxidantsCalcium, DietaryMaternal Nutritional Physiological PhenomenaAscorbic AcidFatty AcidsExerciseMineralsSeleniumLactationWeight LossFatty Acids, Omega-3Time FactorsCholecalciferolAdministration, OralBlood GlucoseWeaningVitamin B ComplexCreatineDietary FatsNutritional RequirementsPrenatal Nutritional Physiological PhenomenaGrowth DisordersIronDocosahexaenoic AcidsBody Fat DistributionPoaceaePhysical FitnessLipid MetabolismVitamin DOrgan SizeInfant Nutritional Physiological PhenomenaAmino AcidsLeptinVitamin A DeficiencyZinc SulfateRegression AnalysisAnemia, Iron-DeficiencyAnalysis of VarianceBody ConstitutionChild DevelopmentDose-Response Relationship, DrugInsulinDiet, ReducingInfant, NewbornTocopherolsCalorimetry, IndirectDietary CarbohydratesLiverCross-Over StudiesMuscle Strength